diff options
Diffstat (limited to 'src/armv8')
| -rw-r--r-- | src/armv8/a64.rs | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/src/armv8/a64.rs b/src/armv8/a64.rs index af52bf4..d291c61 100644 --- a/src/armv8/a64.rs +++ b/src/armv8/a64.rs @@ -3825,6 +3825,13 @@ impl Decoder<ARMv8> for InstDecoder { Err(DecodeError::InvalidOperand), Ok((Q, D, Q, D)), ]; + const TABLE_I: &'static OperandSizeTable = &[ + Ok((D, S, D, S)), Ok((Q, S, Q, S)), + Err(DecodeError::InvalidOperand), Ok((Q, D, Q, D)), + Err(DecodeError::InvalidOperand), Err(DecodeError::InvalidOperand), + Err(DecodeError::InvalidOperand), Err(DecodeError::InvalidOperand), + ]; + if op2 & 0b0111 == 0b0100 { // `Advanced SIMD two-register miscellaneous` const OPCODES_U0_LOW: &[Result<(Opcode, &'static OperandSizeTable), DecodeError>; 20] = &[ @@ -3840,11 +3847,11 @@ impl Decoder<ARMv8> for InstDecoder { Ok((Opcode::CMEQ, TABLE_D)), Ok((Opcode::CMLT, TABLE_D)), Ok((Opcode::ABS, TABLE_D)), - // 0b01100 - Err(DecodeError::InvalidOpcode), - Err(DecodeError::InvalidOpcode), - Err(DecodeError::InvalidOpcode), - Err(DecodeError::InvalidOpcode), + // 0b01100, all four size=1x + Ok((Opcode::FCMGT, TABLE_I)), + Ok((Opcode::FCMEQ, TABLE_I)), + Ok((Opcode::FCMLT, TABLE_I)), + Ok((Opcode::FABS, TABLE_I)), // 0b10000 Err(DecodeError::InvalidOpcode), Err(DecodeError::InvalidOpcode), @@ -3896,11 +3903,11 @@ impl Decoder<ARMv8> for InstDecoder { Ok((Opcode::CMLE, TABLE_D)), Err(DecodeError::InvalidOpcode), Ok((Opcode::NEG, TABLE_D)), - // 0b01100 - Err(DecodeError::InvalidOpcode), - Err(DecodeError::InvalidOpcode), - Err(DecodeError::InvalidOpcode), + // 0b01100, all four size=1x + Ok((Opcode::FCMGE, TABLE_I)), + Ok((Opcode::FCMLE, TABLE_I)), Err(DecodeError::InvalidOpcode), + Ok((Opcode::FNEG, TABLE_I)), // 0b10000 Err(DecodeError::InvalidOpcode), Err(DecodeError::InvalidOpcode), |